Unilateral asterixis: Motor integrative dysfunction in focal vascular disease

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Article abstract

In three patients we found unilateral asterixis in limbs contralateral to a discrete lesion adjacent to the internal capsule. Etiology was vascular in each, with no metabolic or toxic disturbance. Unilateral asterixis bespeaks focal disease arising from lesions in the thalamus or internal capsule and is a sign of motor integrative dysfunction.

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